:root {
  --bg: #071013;
  --surface: rgba(12, 24, 28, 0.78);
  --surface-strong: #0d1d22;
  --text: #eef7f4;
  --muted: #91a7a6;
  --line: rgba(188, 244, 238, 0.16);
  --cyan: #56e6d8;
  --green: #a8ff7a;
  --amber: #f2d06b;
  --coral: #ff7d6e;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: radial-gradient(circle at top left, rgba(86, 230, 216, 0.13), transparent 30rem), var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.signal-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #071013 0%, #0a171b 52%, #101814 100%);
}

.signal-canvas::after {
  content: "";
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
  padding: 18px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 16, 19, 0.78);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  overflow: hidden;
  border: 1px solid rgba(86, 230, 216, 0.5);
  background: linear-gradient(135deg, rgba(86, 230, 216, 0.2), rgba(168, 255, 122, 0.12));
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 38%;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: 8px;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.section-band {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 92px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.72fr);
  align-items: center;
  gap: clamp(32px, 6vw, 88px);
  min-height: calc(100vh - 78px);
  padding-top: clamp(48px, 6vw, 80px);
}

.hero-content {
  max-width: 790px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(2.35rem, 6vw, 5.9rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  max-width: 760px;
  margin-bottom: 0;
  font-size: clamp(2rem, 5vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
  line-height: 1.15;
}

.hero-copy {
  max-width: 680px;
  color: #c7dad7;
  font-size: clamp(1.05rem, 2vw, 1.34rem);
}

.hero-content .hero-copy {
  margin: 26px 0 0;
}

.hero-actions,
.contact-card {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  border-color: transparent;
  color: #041011;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  font-weight: 800;
}

.btn-ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.hero-panel {
  display: grid;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(11, 28, 33, 0.88), rgba(9, 16, 19, 0.74));
  box-shadow: var(--shadow);
}

.scan-card {
  position: relative;
  min-height: 220px;
  padding: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(86, 230, 216, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(86, 230, 216, 0.08) 1px, transparent 1px),
    rgba(255, 255, 255, 0.025);
  background-size: 28px 28px;
}

.scan-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent, rgba(86, 230, 216, 0.18), transparent);
  animation: scan 4.8s ease-in-out infinite;
}

@keyframes scan {
  0% {
    transform: translateY(-100%);
  }
  100% {
    transform: translateY(100%);
  }
}

.status-dot {
  display: block;
  width: 11px;
  height: 11px;
  margin-bottom: 68px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 22px var(--green);
}

.scan-card p,
.scan-card strong {
  position: relative;
  z-index: 1;
}

.scan-card p {
  color: var(--muted);
}

.scan-card strong {
  display: block;
  max-width: 240px;
  font-size: 1.5rem;
  line-height: 1.1;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.metric-grid div,
.intro-grid article,
.service-list article,
.method-grid article,
.kit-card,
.contact-card,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.metric-grid div {
  min-height: 96px;
  padding: 14px;
}

.metric-grid span {
  display: block;
  color: var(--amber);
  font-size: 1.28rem;
  font-weight: 800;
}

.metric-grid p,
.intro-grid p,
.service-list p,
.method-grid p,
.kit-card p,
.kit-card li,
.contact-card p,
.faq-list p {
  color: var(--muted);
}

.section-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 34px;
}

.intro-grid,
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.intro-grid article,
.method-grid article {
  padding: 22px;
}

.service-list {
  display: grid;
  gap: 14px;
}

.service-list article {
  display: grid;
  grid-template-columns: 72px 0.8fr 1.2fr;
  gap: 18px;
  align-items: start;
  padding: 22px;
}

.service-list span,
.method-grid span {
  color: var(--coral);
  font-weight: 850;
}

.kit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.kit-card {
  padding: 22px;
}

.kit-card.featured {
  border-color: rgba(86, 230, 216, 0.52);
  background: linear-gradient(180deg, rgba(86, 230, 216, 0.13), rgba(12, 24, 28, 0.78));
}

.kit-label {
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

.kit-card ul {
  display: grid;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.kit-card li {
  padding-left: 16px;
  border-left: 2px solid var(--line);
}

.method {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stack-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.stack-row span {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #d9f3ee;
  background: rgba(255, 255, 255, 0.045);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 18px 20px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 750;
}

.faq-list p {
  margin: 14px 0 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 18px;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: #d8eae7;
  font-size: 0.9rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: rgba(4, 13, 16, 0.72);
  padding: 13px 14px;
  outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--cyan);
}

.contact-form [aria-invalid="true"] {
  border-color: var(--coral);
}

.contact-form button[disabled] {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.form-note.is-success {
  color: var(--green);
}

.form-note.is-error {
  color: var(--coral);
}

.contact-card {
  flex-direction: column;
  align-items: flex-start;
  padding: 24px;
}

.contact-card a {
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.floating-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 1px solid rgba(168, 255, 122, 0.6);
  border-radius: 50%;
  color: #041011;
  background: var(--green);
  font-weight: 900;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.42);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: 78px;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: min(280px, calc(100vw - 32px));
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(7, 16, 19, 0.96);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .hero,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .intro-grid,
  .method-grid,
  .kit-grid {
    grid-template-columns: 1fr 1fr;
  }

  .service-list article {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 14px 20px;
  }

  .brand {
    white-space: normal;
  }

  .site-nav {
    top: 68px;
  }

  .section-band {
    padding: 68px 0;
  }

  .hero {
    min-height: auto;
    padding-top: 26px;
  }

  h1 {
    font-size: clamp(2.35rem, 6vw, 5.9rem);
  }

  .intro-grid,
  .method-grid,
  .kit-grid,
  .metric-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    padding: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}